A.0.49‰ B.0.89‰ C.92.7% D.87.5% E.13.7%
A.20% B.40% C.80% D.100% E.無法計(jì)算
A.2.0倍 B.3.0倍 C.2.5倍 D.1.0倍 E.1.5倍